1 notice the content of data sheet is subject to change without prior notice. in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usin g any sharp device. features outline dimensions lead finish:lead-free solder plating (composition: sn2cu) applications (unit : mm) sheet no.: op06024 variable output,surface mount type low power-loss voltage regulators model line-up parameter symbol rating unit input voltage power dissipation *3 *2 junction temperature operating temperature -25 to +80 storage temperature -40 to +150 soldering temperature 260(10s) absolute maximum ratings *1 *1 all are open except gnd and applicable terminals. *2 p d : with infinite heat sink *3 overheat protection may operate at tj:125c to 150c 1 2 3 5 specific ic pq20vz51j00h pq20vz11j00h 1.low power-loss (dropout voltage:max.0.5v) 2.surface mount package 3.output current (0.5a:pq20vz51j00h) (1.0a:pq20vz11j00h) 4.reference voltage precision:2.0% 5.variable output voltage(1.5 to 20v) 6.built-in on/off control function 7.low dissipation current at off-state(iqs:max.5 a ) 8.rohs directive compliant 1.car audio 2.vtr output current (i o ) package type variable output taping sleeve taping sleeve 24 v v 7 150 ? c ? c a 1 ? c (ta=25 c ) v in v adj output current i o 0.5 p d 8w t j t opr t stg t sol ? c 3 1 2 3 4 5 epoxy resin product mass:(0.3g) ( ) : typical dimensions 20vz51 h lead finish identification mark 24 v v c output adjustment terminal voltage 4 dc input (v in ) on/off control terminal (v c ) dc output (v o ) output voltage adjustment terminal (v adj ) gnd internal connection diagram pq20vz51j00h / pq20vz11j00h 0.5a pq20vz5uj00h pq20vz51j00h 1a pq20vz1uj00h pq20vz11j00h pq20vz51j00h pq20vz11j00h *1 on/off control terminal voltage heat sink is common to terminal (v o ) 6.6 max. 5.2 0.5 9.7 max. 5.5 0.5 2.5 min. +0.2 ?0.1 4?(1.27) 0.5 (0.5) (0.5) 2.3 0.5 (0 0.25) (1.7) (0.9)
2 sheet no.: op06024 electrical characteristics v % db parameter output voltage load regulation line regulation ripple rejection on-state voltage for control on-state current for control symbol conditions min. max. unit 2.5 - 60 rr 7 - - quiescent current output off-state consumption current input voltage - - 45 % refer to fig.2 - 5.0 off-state voltage for control v 0.2 - - - 200 - - - v off-state current for control 0.8 - 4 pq20vz51j00h :i o 0.3a, pq20vz11j00h :i o 0.5a (unless otherwise specified,condition shall be v in =12v,v o =10v, ,r 1 =1k ,v c =2.7v,ta=25 c) 24 4.5 - v in v o 20 1.5 - reference voltage r eg l v ref % 2.0 0.2 r eg i v in =11 to 21v , i o =5ma temperature coefficient of reference voltage t c v ref tj=0 to +125c, i o =5ma 1.0 v c(on) dropout voltage i c(on) v i-o 0.5 - v v c(off) i c(off) i q i o =0a i qs a i o =0a 2.0 - v c =0.4v a typ. + a a a 3 4 5 2 1 v v v in 0.33 f v c i c i q r 1 r 2 1k 47 f v o i o r l fig.1 test circuit eo + + 3 1 2 4 5 v ~ ~ ei v in 0.33 f v c r 2 r 1 1k 47 f i o r l fig.2 test circuit for ripple rejection pq20vz51j00h / pq20vz11j00h 4 v o =1.5v 5 - 4 v 1.275 1.225 1.25 4, 6 0.2 4 ma 0.2 - - 2.0 v - - a 5 pq20vz51j00h :i o 5ma to 0.5a, pq20vz11j00h :i o 5ma to 1.0a 6 input voltage shall be the value when output voltage is 95% in comparison with the initial value. v o =v ref (1+r 2 /r 1 ) [ r 1 =1k , v ref P 1.25v ] f=120hz (sine wave) ei(rms)=0.5v v in =12v v o =10v(r1=1k ) i o =0.3a rr=20log(ei(rms)/eo(rms)) v c =0.4v,i o =0a + +
3 sheet no.: op06024 ambient temperature t a (c) note) oblique line portion:overheat protection may operate in this area. power dissipation p d (w) fig.3 power dissipation vs. ambient temperature output current i o (a) fig.4 overcurrent protection characteristics (typical value) pq20vz51j00h / pq20vz11j00h -20 0 20 40 80 100 120 140 60 150 0 5 8 10 p d :with infinite heat sink 0 pq20vz51j00h pq20vz11j00h 0 0.5 1.0 1.5 2.0 2.5 20 40 60 80 100 120 relative output voltage (%) 0 5 0.1 1 10 100 r2 (k ) r 1 =1k 10 15 20 fig.5 output voltage adjustment characteristics output voltage v o (v) -25 0 25 50 75 100 125 6 4 2 0 - 2 - 4 - 6 - 8 - 10 7 v in =12v , i o =5ma , v c =2.7v r 1 =1k ,r 2 =7k c in =0.33 f , c o =47 f junction temperature t j ( ? c) fig.6 reference voltage deviation vs. junction temperature reference voltage deviation v ref (mv) 0 2 4 6 8 10 12 14 16 2 0 4 6 8 10 12 14 16 r 1 =1k ,r 2 =7k v c =2.7v , c in =0.33 f , c o =47 f tj=25c fig.7 output voltage vs. input voltage ( pq20vz51j00h ) input voltage v in (v) output voltage v o (v) 0 2 4 6 8 10 12 14 16 2 0 4 6 8 10 12 14 16 r 1 =1k ,r 2 =7k v c =2.7v , c in =0.33 f , c o =47 f tj=25c input voltage v in (v) output voltage v o (v) fig.8 output voltage vs. input voltage ( pq20vz11j00h ) r l = r l =20 r l =10 r l = r l =40 r l =20
4 sheet no.: op06024 pq20vz51j00h / pq20vz11j00h 0 -20 0 20 40 60 100 120 80 0.05 0.10 0.15 0.20 0.25 0.30 0.35 i o =0.5a i o =0.4a i o =0.3a i o =0.2a i o =0.1a fig.9 dropout voltage vs. junction temperature( pq20vz51j00h ) junction temperature t j ( ? c) dropout voltage v i-o (v) 0 -20 0 20 40 60 100 120 80 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 i o =1.0a i o =0.75a i o =0.5a i o =0.25a junction temperature t j ( ? c) fig.10 dropout voltage vs. junction temperature( pq20vz11j00h ) dropout voltage v i-o (v) 0 1 2 3 4 5 -25 0 25 50 75 125 100 fig.11 quiescent current vs. junction temperature quiescent current iq(ma) junction temperature t j ( ? c) v in =12v i o =0a v c =2.7v pq20vz11j00h pq20vz51j00h 0.1 1 10 100 30 35 40 45 50 55 60 65 t j =25c i o =0.3a v in =12v e i(rms) =0.5v(sine wave) r 1 =1k rr=20 log(e i(rms) /e o(rms) ) r 2 =7k fig.12 ripple rejection vs. input ripple frequency input ripple frequency f (khz) ripple rejection rr (db) 0 0.1 0.2 0.3 0.4 0.5 10 20 30 40 50 60 70 80 90 100 0 t j =25c v in =12v r 1 =1k r 2 =7k e i(rms) =0.5v f=120hz (sine wave) output current i o (a) ripple rejection rr (db) fig.13 ripple rejection vs. output current ( pq20vz51j00h ) 0 0.5 1.0 10 20 30 40 50 60 70 80 90 100 0 t j =25c v in =12v r 1 =1k r 2 =7k e i(rms) =0.5v f=120hz (sine wave) output current i o (a) ripple rejection rr (db) fig.14 ripple rejection vs. output current ( pq20vz11j00h )
5 sheet no.: op06024 pq20vz51j00h / pq20vz11j00h 1 0 12 3 45 6 78 9 10 1.1 1.2 1.3 1.4 1.5 1.6 1.7 t j =25c fig.15 output peak current vs. dropout voltage ( pq20vz51j00h ) output peak current i op (a) dropout voltage v i-o (v) i op : output current when output voltage is 95% 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 0 12 3 45 6 78 9 10 t j =25c fig.16 output peak current vs. dropout voltage ( pq20vz11j00h ) output peak current i op (a) dropout voltage v i-o (v) i op : output current when output voltage is 95% -20 0 25 50 75 125 100 0.9 1.0 1.1 1.2 1.3 1.4 1.5 v in - v o =2v 1v 0.5v fig.17 output peak current vs. junction temperature ( pq20vz51j00h ) junction temperature tj (c) output peak current i op (a) i op : output current when output voltage is 95% -20 0 25 50 75 125 100 v in - v o =2v 1v 0.5v 1.5 2.0 fig.18 output peak current vs. junction temperature ( pq20vz11j00h ) junction temperature tj (c) output peak current i op (a) i op : output current when output voltage is 95% 2.1 2.2 2.3 1.9 1.8 1.7 1.6 1.4 1.3 1.2 0 1 2 3 -20 0 20 40 60 100 80 cu area 740mm 2 cu area 180mm 2 cu area 100mm 2 cu area 70mm 2 cu area 36mm 2 ambient temperature ta (c) mounting pcb pcb cu material size cu thickness : glass-cloth epoxy resin : 50501.6mm : 35 m fig.19 power dissipation vs. ambient temperature power dissipation p d (w)
6 sheet no.: op06024 typical application setting of output voltage output voltage is able to set from 1.5v to 20v when resistors r 1 and r 2 are attached to , ?? terminals. as for the external resistors to set output voltage, refer to the figure below and fig.5. 1 3 2 5 4 + load ? ? ? ? ? ? v in c in on/off signal high:output on low or open:output off r 2 r 1 1k c o v o 4 5 3 + v ref v o r 2 r 1 pq20vz51j00h / pq20vz11j00h v o = v ref (1 r 2 /r 1 ) r 1 = 1k ,v ref P 1.25v +
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